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Replacing the Exhaust Manifold Gasket

Model: Vauxhall Astra Astra G - Years 1998-2006
Part: Engine

Before installing the new exhaust manifold gasket, it is very important to thoroughly clean the gasket seating, both on the head side and the manifold side, removing all dirt and deposits: at this stage, ensure there are no cracks or corrosion on the surface that could compromise the gasket's seal. Once this operation is completed, insert the new gasket aligning it with the dowel pins; then place the exhaust manifold and tighten the fixing nuts using a torque wrench and following a cross pattern.

Updated on 12 February 2026 by ScegliAuto

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